Important Note: ArrayAdapter is also an implementation of BaseAdapter.No Launcher activity found Android Emulator Error How set gray text to EditText Android example Set Drawable programmatically Android example 2. Base Adapter can be extended to create a custom Adapter for displaying a custom list item.

Whenever you need a customized list in a ListView or customized grids in a GridView you create your own adapter and extend base adapter in that.BaseAdapter is a common base class of a general implementation of an Adapter that can be used in ListView, GridView, Spinner etc.For more customization of views we uses the base adapter. It holds the data and send the data to adapter view then view can takes the data from the adapter view and shows the data on different views like as list view, grid view, spinner etc.

In android, an adapter is a bridge between UI component and data source that helps us to fill data in the UI component. Before we share BaseAdapter it is first important to revise Adapter.

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